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what are the storage conditions for Masterpact NT/NW ?

Devices must be stored in a dry, ventilated area, protected from rain, water

and chemical agents. They must be well protected against dust, rubble,

paint, etc.

If storage is for an extended period, the following storage conditions are



• relative humidity in the room must be maintained below 70%.

• devices without their trip unit: -40 °F to +185 °F (-40 °C to +85 °C).

• devices with their trip unit: -13 °F to +185 °F (-25 °C to +85 °C).

• devices must be stored in the open (OFF) position with the charging springs discharged.

Checks and Maintenance After extended storage, the checks below must be carried out before installation to ensure correct device operation


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